Below are this week's defense/special teams rankings and tiers based on a team's matchup, talent, and recent performance. Still have a tough start/sit question? Ask us anytime on Twitter @FantasySourceFB, or stop by our Sunday chats from 11 a.m. ET until kickoff on Facebook!

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5. Seattle Seahawks vs. Packers. Even at home, a matchup against Aaron Rodgers and the Packers is a tough one.
6. Arizona Cardinals vs. Chargers
7. Kansas City Chiefs vs. Titans8. San Francisco 49ers at Cowboys. The Niners are down some key pieces, and the Cowboys' offense is expected to be top notch.
9. Pittsburgh Steelers vs. Browns

THREE STAR

10. Denver Broncos vs. Colts
11. Baltimore Ravens vs. Bengals12. Philadelphia Eagles vs. Jaguars. The Eagles didn't have a good defense last season, but the Jaguars don't have much of an offense -- not yet at least.
13. Detroit Lions vs. Giants14. NY Jets vs. Raiders. This is all about the Raiders turning to rookie Derek Carr. Expect Rex Ryan to throw the kitchen sink at him.15. Houston Texans vs. Redskins.J.J. Watt plus Jadeveon Clowney could equal trouble for the 'Skins.16. Chicago Bears vs. Bills.E.J. Manuel is usually good for some bad decisions.
17. Cleveland Browns at Steelers

TWO STAR

18. Buffalo Bills at Bears
19. NY Giants at Lions
20. Tampa Bay Buccaneers vs. Panthers21. New Orleans Saints at Falcons. We like the Saints more than this overall, but this is a tough matchup.
22. San Diego Chargers at Cardinals

ONE STAR

23. Washington Redskins at Texans24. Miami Dolphins vs. Patriots. Like the Saints, we have higher expectations for the Dolphins D/ST, but not against the Patriots.
25. Minnesota Vikings at Rams
26. Green Bay Packers at Seahawks